I want to updrade my hp envy 15 jo49tx laptops graphic card
the specification are-
processor-i7 4700mq
ram-8 gb
motherboard- hp-1963 (U3E1)
hd-hitachi 1 tb
graphic-Generic PnP Monitor on Intel HD Graphics 4600
and nvidia gt 740m
Product number: F2C52PA#ACJ
Serial number: 5CG3455S1M
Product name: HP ENVY 15 Notebook PC
Windows 8.1 Single Language 64-bit
help pls